Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Pterosauria

Phylogeny

Node-based clade		Ref: B. Andres, 2021: tbl. 1 (p. 209: "Least inclusive clade").
Reference phylogeny [PhyloCode]		Ref: B. Andres, 2021: fig. 1; 205.

Defined by the most recent common ancestor (and all its descendants) of

†Quetzalcoatlus northropi Lawson, 1975		Ref: B. Andres, 2021: tbl. 1 (p. 209).
†Tupuxuara longicristatus Kellner & Campos, 1988		Ref: B. Andres, 2021: tbl. 1 (p. 209).

Current position

†Azhdarchiformes (Clade) Andres 2021 [Thomas & McDavid 2025]

Ref: T.L. Ford, 2005-present: [23 Jul 2026]; Paleofile[23 Jul 2026].

Alternative positions

†Azhdarchoidea (Clade) Unwin 1995 [Andres 2021] nom. cl. inval.

Ref: B. Andres, 2021: tbl. 1 (p. 209); Andres, 2021: fig. 1.

Historical positions

†Azhdarchoidea (Clade) Unwin 1995 [Andres 2021] nom. cl. inval.

Ref: B. Andres, 2021: tbl. 1 (p. 209), fig. 1 (p. 207).

Number of Subtaxa

2026	Available in Systema Naturae 2000	†2f;41g;10s
1989-present	Systema Naturae 2000: 24 Jul 2026	[; †2f;41g]
2021	B. Andres: fig. 1 (p. 207)	[; †29g]